Inventor

Michele Doreen Heffner

Inventor
Chalfont, PA, US

Overview

21→
Patents
2002–2016
Patent span
Chemistry
Primary field (CPC C)

Patents· 21 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C07Cprimary
C07CAcyclic or carbocyclic compounds32%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry31%
Y02PClimate change mitigation technologies in the production or processing of goods31%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients2%
C09CTreatment of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties2%
C09DCoating compositions, e.g. paints, varnishes or lacquers2%
Y10TTechnical subjects covered by former us classification2%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002–2016Patents assigned to ROHM & HAAS (21)· patent assignee history
2002–2016Based in Chalfont, PA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ROHM & HAAS212002–2016
Locations
LocationPatentsSpan
Chalfont, Pennsylvania, US212002–2016